Adtran Atlas 550 T1/PRI Module 1200307L1 Handsets the ShoreTel 560 can handle

the ShoreTel 560 can handle intensive use by professionals

complete with the ability to display graphics

a public and private frame relay

Both frequency A and B tracers are included with the listing

The 8024S includes a speakerphone for handsfree communication

Adtran Atlas 550 T1/PRI Module 1200307L1 Handsets the ShoreTel 560 can handleAdtran Atlas 550 T1 PRI Module 1200307L1 Description: The Adtran Atlas 550 T1 PRI network module provides the Atlas 550 with a single T1, PRI, or DSX 1 interface to your integrated Access Device. The 1200307L1 plugs into the network interface module slot. Adtran 1200307L1 Features: Provides Channelized 23D+1B Connection Provides a single T1, PRI, or DSX 1 interface. Can only be used in the network interface module slot.